(a) To free (sb.), let loose, set free; also, spare (sb.), save; (b) to loosen (bonds, a knot); also fig.; (c) to lessen the pressure on (one's heel).
…
As anaph. or pers. pron.: (a) the female person referred to, she; (b) used pleonastically, or for emphasis; (c) with antecedent in apposition following: she; she this, usu. translating L haec or ista……